Mihai Budiu created CALCITE-7095:
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Summary: Allow MAP<VARIANT, X> to be indexed by any type of key
Key: CALCITE-7095
URL: https://issues.apache.org/jira/browse/CALCITE-7095
Project: Calcite
Issue Type: Improvement
Components: core
Affects Versions: 1.40.0
Reporter: Mihai Budiu
Today a MAP with VARIANT keys will not typecheck if it is indexed by a key with
a non-variant type. I think the compiler should accept any type of key for this
case.
E.g., the following SQL should be legal:
{code:sql}
SELECT CAST(MAP['a', 1] AS MAP<VARIANT, VARIANT>)['a'] AS C
{code}
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